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Hot Topic (More than 10 Replies) Brazilian Taimanov?! (Read 14874 times)
Luciano Justi Antunes
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Re: Brazilian Taimanov?!
Reply #18 - 02/09/12 at 03:11:41
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[quote author=2D3234332E470 link=1301377895/0#0 date=1301377895]Good Morning Friends,

My first post herewould like to to open a topic on this variant that the Brazilian GM ( GM Fier, GM Leitão, GM Krikor, GM Diamant )
areplaying at the moment .
And I would ask for help from friends on variant and possible plans for both sides.

[b]1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Qd2 Nf6 8.O-O-O Be7 9. f3 O-O 10. g4 b5 11. g5 Nh5 !?[/b]

[url]http://www.viewchess.com/scripts/gameuploadisapi.dll?showreader?y=2011&m=3&d=29&id=Game5209278[/url]

[b][u]Data Base:[/u][/b]

[b][url]http://www.viewchess.com/scripts/gameuploadisapi.dll?showreader?y=2011&m=3&d=29&id=Game10910787[/url][/b]


The Brazilian Taimanov by GM Krikor Mekhitarian.pdf
http://www.mediafire.com/?8wc1dq1qq5d15od


[/quote]
  
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Papageno
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Re: Brazilian Taimanov?!
Reply #17 - 04/16/11 at 09:26:34
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Well, I never had the chance to play against the Be3/Qd2 system as Black. I'm mixing the Taimamov (Safest Sicilian) with the Kan in my games. Perhaps I went more often for the Kan when I knew in advance that the white player had played this agressive system before.

When the Safest Sicilian book came out I never was very happy with lines such as 8. O-O-O Bb4 9. f3 Ne5 10. Nb3 b5 11. Qe1 Be7 12. f4 Ng6 13. e5 Ng4 14. Ne4. And yet, Popov recently won a nice game with Black (EU-ch) employing 14... Nxe3. So it cannot be too bad.

The line 8. O-O-O Be7 9. f3 O-O 10. g4 b5 11. g5 Nh5 to me looks like an interesting alternative that is safe enough. I didnt come across this line by any of the authors mentioned in this thread so far (Yakovich, Pavlovic, ddt's post), but first noticed it when some German youngsters were playing like this. Next I also found a couple of corr games were Black did well.

As to other critical lines in the Safest Sicilian. No, I'm not aware of any theoretical problems.
  
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Ametanoitos
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Re: Brazilian Taimanov?!
Reply #16 - 04/14/11 at 23:07:27
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I am afraid that Yakovich's analysis is again a bit sloppy (like in 3-4 other places in his book). After 15.Kb1 Ng6! both 16.Qb6 and 16.Nh5 Bf8 (16...e5 has been played also and seems strong) 17.Qb6 can be met by ...Qxb6 and in the first line Black can even sac the exchamge with ...Bxg5 with more than enough comp.

Probably White has to avoid playing f3 after after ...Be7 and play f4 as was noted by De la Villa in his DTS book.
  
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Re: Brazilian Taimanov?!
Reply #15 - 04/14/11 at 22:36:47
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Instead of 15.h4, 15.Kb1, analyzed briefly by Yakovich in 'Sicilian Attacks' probably deserves a mention. His analysis run: 15...Bb7 16.Bxf4 Qxf4 17.Nh5 e5 (forced) 18.Nxf4 (according to my database, previous games have all continued 18.Qf2, and IMHO that should be good enough for an edge) ed 19.h4 +=.
  
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Re: Brazilian Taimanov?!
Reply #14 - 04/14/11 at 21:08:57
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Papageno wrote on 04/14/11 at 20:12:54:
Ametanoitos wrote on 04/14/11 at 19:39:33:
In the first line you give, 9.h3! is known to be better and probably gives White some edge.

I see, in the first line perhaps then
9. h3 Bc5 10. Kh1 d6 11. f4 Ng6 12. Qe1 O-O 13. f5 Ne5 14. Qh4 b5 15. Rf3 exf5 16. exf5 Nxf3 17. gxf3 Bb7 18. Rg1 Bxf3+ 19. Nxf3 Bxe3 20. Qxf6 Bxg1 21. Qg5 Qc5 (or 21...Qc6) with proper chances.

In the second line, 8. O-O Nxd4 9. Bxd4 Bc5 10. Bxc5 Qxc5 11. Kh1 d6 12. f4 e5 13. Nd5 Nxd5 14. exd5 O-O 15. fxe5 dxe5
scored well, so I'm not particularly worried here for Black either.


Wink - I was about to write the same.
Do you play taimanov regularly? Imho the taimanov is in good shape nowadays; any lines to fear?
  

The older, the better - over 2200 and still rising.
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Re: Brazilian Taimanov?!
Reply #13 - 04/14/11 at 20:12:54
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Ametanoitos wrote on 04/14/11 at 19:39:33:
In the first line you give, 9.h3! is known to be better and probably gives White some edge.

I see, in the first line perhaps then
9. h3 Bc5 10. Kh1 d6 11. f4 Ng6 12. Qe1 O-O 13. f5 Ne5 14. Qh4 b5 15. Rf3 exf5 16. exf5 Nxf3 17. gxf3 Bb7 18. Rg1 Bxf3+ 19. Nxf3 Bxe3 20. Qxf6 Bxg1 21. Qg5 Qc5 (or 21...Qc6) with proper chances.

In the second line, 8. O-O Nxd4 9. Bxd4 Bc5 10. Bxc5 Qxc5 11. Kh1 d6 12. f4 e5 13. Nd5 Nxd5 14. exd5 O-O 15. fxe5 dxe5
scored well, so I'm not particularly worried here for Black either.
  
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Ametanoitos
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Re: Brazilian Taimanov?!
Reply #12 - 04/14/11 at 19:39:33
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In the first line you give, 9.h3! is known to be better and probably gives White some edge. In the second line i thought that always it was thought that White is a bit better.
  
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Re: Brazilian Taimanov?!
Reply #11 - 04/14/11 at 17:52:26
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Ametanoitos wrote on 04/14/11 at 11:25:46:
I have tried to make it work for White but i failed. So, it seems right now that only the lines with Be3+Bd3 are critical for the Taimanov. Am i correct?


To be honest, I never believed that Experts vs. Sicilian put too much pressure on the Safest Sicilian with Be3+Bd3.

The first edition of the Safest Sicilian offered for the second player
6. Bd3 Nc6 7. Be3 Nf6 8. O-O Ne5 9. Nf3 Nfg4 (alternatively: 9... Neg4!? 10. Bd2 d6) 10. Nxe5 Nxe3 11. Qh5 g6 12. Qf3 Qxe5 13. fxe3 f6 14. Qxf6 Qxf6 15. Rxf6 Bg7 16. Rf3 b5 17. Raf1 Ra7, which I thought must somehow be o.k. for Black.

Second edition of the Safest Sicilian went like this:
6. Bd3 Nc6 7. Be3 Nf6 8. O-O Nxd4 9. Bxd4 Bc5 10. Bxc5 Qxc5 11. Kh1 d6 12. f4 e5, and again I wonder what White has achieved.

Just let me know if the book in mention or some white players have found something very convincing for White in either of the lines.
  
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Re: Brazilian Taimanov?!
Reply #10 - 04/14/11 at 13:34:12
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so far, what we can get from ddt's great piece of analysis is that Black has a draw in the line with Qb6, also meaning that White can force a draw in Be7/Nh5 line, as Black's moves look more forced than White's. I would be glad to play this Bb6 line to Mr Delchev!
  
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Re: Brazilian Taimanov?!
Reply #9 - 04/14/11 at 11:25:46
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I have tried to make it work for White but i failed. So, it seems right now that only the lines with Be3+Bd3 are critical for the Taimanov. Am i correct?
  
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ddt
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Re: Brazilian Taimanov?!
Reply #8 - 04/10/11 at 15:36:35
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9...h5 is analysed by GM Pavlovic in his book "Cutting Edge - Open Sicilian 1". However, his coverage is more illustrative rather than an in-depth analysis of the subject.

By the way, Pavlovic also does not cover the idea that rehabilitates the move 11.g5 Nh5!? and that was played in a number of games of Brazilian GMs recently (as well in my correspondence game vs Kazantsev Wink)
  
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Re: Brazilian Taimanov?!
Reply #7 - 04/10/11 at 15:06:58
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topandkas wrote on 04/03/11 at 08:39:59:
I'd certainly be interested in an English version of your analysis if you can dig it up?


I could not find the original file, but fortunately, the English text of my analysis is still there, so I compiled it into a single database once more and published it on SkyDrive: http://cid-225a6fd74d49d832.office.live.com/self.aspx/Public/B48-Taimanov.cbv

At least, it will not disappear there because of download limits Smiley

topandkas wrote on 04/03/11 at 08:39:59:
Btw, whats your view on 9...h5!? have you done any analysis on this? I had some analysis on this somewhere but not sure if I have it anymore. I had put quite a few hours into analyzing said position and Black was looking okay, although I remember concluding that White had a small pull in most critical variations.


I did not analyse it in any detail. I did consider it, but decided that it was too risky for a correspondence game.
  
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Re: Brazilian Taimanov?!
Reply #6 - 04/03/11 at 08:39:59
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I'd certainly be interested in an English version of your analysis if you can dig it up?
Btw, whats your view on 9...h5!? have you done any analysis on this? I had some analysis on this somewhere but not sure if I have it anymore. I had put quite a few hours into analyzing said position and Black was looking okay, although I remember concluding that White had a small pull in most critical variations.
  
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Re: Brazilian Taimanov?!
Reply #5 - 04/02/11 at 05:15:59
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That's some hefty analysis, thanks for sharing it ddt!
  
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Re: Brazilian Taimanov?!
Reply #4 - 04/01/11 at 19:23:40
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I did a survey on this variation, based entirely on my own games Smiley One of these 3 games was actually published in Chess Informant. I published the article on the Russian chess site Crestbook.com, see http://www.crestbook.com/node/1207

Later on, I also translated it into English and posted a link to this survey in ChessBase format, but the file has been already deleted on the file-sharing site and I cannot seem to find it anymore. If you are interested, please send me a message, I will try to dig it up.
  
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